The C8 RS 7: The RS 7 represents Audi's masterful blend of gran turismo elegance and supercar performance. Beneath that swooping Sportback silhouette lies a twin-turbo 4.0-liter V8 producing 591 horsepower, launching this four-door coupe to 60 mph in just 3.6 seconds. The mild-hybrid system adds 48 volts of electric assistance while the sport differential and adaptive air suspension deliver quattro all-wheel-drive precision. What sets the RS 7 apart in today's collector landscape is its position as potentially the last naturally-aspirated V8 RS model before Audi's full electric transition. The combination of that distinctive fastback profile, luxurious cabin, and brutal straight-line performance makes it a compelling modern classic candidate. With Audi Sport's meticulous attention to detail and the rarity of high-performance wagons in the American market, well-maintained examples are already showing strong residual values among enthusiasts who appreciate practical exotica.